IsolatedStorageFile.GetLastWriteTime Method
Microsoft Silverlight will reach end of support after October 2021. Learn more.
Returns the date and time a specified file or directory was last written to.
Namespace: System.IO.IsolatedStorage
Assembly: mscorlib (in mscorlib.dll)
Syntax
'Declaration
<SecuritySafeCriticalAttribute> _
Public Function GetLastWriteTime ( _
path As String _
) As DateTimeOffset
[SecuritySafeCriticalAttribute]
public DateTimeOffset GetLastWriteTime(
string path
)
Parameters
- path
Type: System.String
The path to the file or directory for which to obtain last write date and time information.
Return Value
Type: System.DateTimeOffset
The date and time that the specified file or directory was last written to. This value is expressed in local time.
Exceptions
| Exception | Condition |
|---|---|
| ArgumentException | path is a zero-length string, contains only white space, or contains one or more invalid characters defined by the Path.GetInvalidPathChars method. |
| ArgumentNullException | path is nulla null reference (Nothing in Visual Basic). |
| InvalidOperationException | The isolated store has been closed. |
| ObjectDisposedException | The isolated store has been disposed. |
| IsolatedStorageException | The isolated store has been removed. -or- Isolated storage is disabled. |
Remarks
If the file described by path does not exist, this method returns 12:00 midnight, January 1, 1601 A.D. (C.E.) Coordinated Universal Time (UTC), adjusted to local time.
Version Information
Silverlight
Supported in: 5, 4
Silverlight for Windows Phone
Supported in: Windows Phone OS 7.1
Platforms
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.